.main {
    width: 100%;
    margin: 0 auto 0px;
}

.row {
    padding: 30px 0;
    overflow: hidden;
    width: 100%;
    margin: 0;
}

.jujiao,
.gonggao,
.shiping {
    width: 413px;
}

.gonggao {
    margin: 0 20px;
}

@media screen and (max-width: 768px) {
    .main {
        padding: 0 0.2rem;
        background: #F8F8F8;
    }
    .row {
        padding: 0.2rem 0;
    }
    .jujiao,
    .gonggao,
    .shiping {
        width: 100%;
    }
    .gonggao {
        margin: 0;
    }
}